These are review questions on genetics, biomes, and ecology. Have fun!
1. What are three strategies plants have developed to survive in the cold dry, and sometimes dark conditions of the Tundra?
2. In what biomes does fire play an important role, and what is this role?
3. How is a parasite different from a parasitoid?
4. How is a parasite different from a predator?
5. In pea plants purple flower color (P) is dominant to white (p). If a plant heterozygous for purple flowers is crossed with a plant with white flowers, what proportion of the offspring will have white flowers?
6. What are common strategies predators use to capture prey, and common defenses found in prey?
7. Colorblindness is an X linked recessive trait. Susan carries the gene for colorblindness, and her husband is not colorblind. What is the chance they will have a colorblind son? What is the chance they will have a daughter who is colorblind?
8. What are two important factors in determining what type of Biome one will find in a given area?
9. What causes the seasons here in North America?
10. What is a rain shadow, and how does it account for different plant communities occurring at the same latitude, but on opposites sides of a mountain range?
11. What word (or phrase) describes each of the following genotypes? TT Tt tt
12. What is the difference between genotype and phenotype?
13. Coevolution happens also between parasites and their hosts. Why is this not surprising?
14. Two normal parents have a child with a recessive disorder. What are the genotypes of each parent?
15. To what kind of environmental stresses are the plants and animals in the chaparral adapted?
16. How is a deciduous forest different from a coniferous forest, other than the types of trees found in each?
17. Why are there fewer members of the upper trophic levels as compared with primary consumers or the producers?
18. Why don't grasslands become forests?
19. What is the one thing all deserts have in common?
20. Dad has AB blood, and mom has O blood. What are the possible blood types of their children?
21. Define resource partitioning and give an example of it.
22. What kind of adaptations have animals developed to survive in:
A. The tundra
B. The deserts
C. Coniferous forests
23. Why is it that the evolution of a predator would affect the evolution of its prey?
24. In one species of flowering plants there is some diversity in flower color. Some plants have blue flowers, some have red, and others have purple flowers. What type of inheritance do you suspect controls this trait, and why?
25. Define and give examples of the following: Mutualism, Commensalism, social parasite.
26. Draw a food web that could occur in your backyard or here at Cerritos. Include all the trophic levels we discussed in class.
27. Which of Mendel's laws addresses homologous chromosomes separating from each other during meiosis?
28. In mice dark fur (D) is dominant to light fur (d) and short fur (S) is dominant to long fur (s). If two mice heterozygous for both traits are crossed, what proportion of the offspring would you expect to have dark short fur?
Wednesday, June 24, 2009
Wednesday, June 17, 2009
cell respiration review
Here's some questions to make those brain cells churn out the ATP!
1. What are the differences between aerobic and anaerobic respiration, and which is more efficient?
2. What are NAD+ and FAD used for?
3. What are the three steps in aerobic respiration, and where does each occur?
4. During which setop of cellular respiration is the most ATP made?
5. During aerobic respiration, how many ATPs are made from one molecule of glucose in most cells?
6. What is the role of oxygen in aerobic respiration?
7. Describe how the ATP is made during chemiosmosis
8. What is produced by your muscle cells if there is not enough oxygen available at the end of glycolysis for aerobic respiration to continue?
9. Yeasts do a kind of anaerobic respiration called ____________, and produce ___________ and _________ along with 2 ATP
10. What are the important end products of the Citric Acid Cycle, and what happens to each of these products?
1. What are the differences between aerobic and anaerobic respiration, and which is more efficient?
2. What are NAD+ and FAD used for?
3. What are the three steps in aerobic respiration, and where does each occur?
4. During which setop of cellular respiration is the most ATP made?
5. During aerobic respiration, how many ATPs are made from one molecule of glucose in most cells?
6. What is the role of oxygen in aerobic respiration?
7. Describe how the ATP is made during chemiosmosis
8. What is produced by your muscle cells if there is not enough oxygen available at the end of glycolysis for aerobic respiration to continue?
9. Yeasts do a kind of anaerobic respiration called ____________, and produce ___________ and _________ along with 2 ATP
10. What are the important end products of the Citric Acid Cycle, and what happens to each of these products?
Monday, June 15, 2009
Photosynthesis and plants review
Here are the photosynthesis questions for review:
1. Which colors of light are most strongly absorbed by chlorophyll?
2. How is oxygen released during photosynthesis?
3. Why is water needed in photosynthesis?
4. What are the products of the light dependent reactions?
5. What is made in the light independent reactions?
6. What is the role of RUBP in photosynthesis?
7. What kind of plants use PEP and what advantage does it give them?
8. How are CAM plants different from others in the way they do photosynthesis?
9. What kind of organisms can do photosynthesis?
10. Where inside the cholorplast do the light dependent reactions happen?
More Review Questions about Plants:
1. Compare and contrast the movement of water and food in plants. Include in your answer what kinds of tissues and processes are involved in both.
2. Xylem is functional when dead at maturity while phloem is functional only when alive. Why?
3. In phloem, what is the role of the companion cell?
4. What is the difference between xylem in flowering plants and the xylem found in gymnosperms?
5. What is cohesion of water, and how is this different from adhesion?
6. What part of the root absorbs water?
7. What is the function of the anther in the flower?
8. Which of the following is where one would find ovules?
A. in an anther
B. in the ovary
C. in the stigma
D. in the style
9. Ovules are
A. eggs
B. spores that will become pollen
C. spores that will become eggs
D. immature seeds
E. pollen grains
10. In double fertilization the first sperm fertilizes the egg and the second
A. dies
B. is only used if the first sperm cell dies
C. fertilizes another egg
D. fertilizes a haploid endosperm mother cell to make diploid endosperm
E. fertilizes a diploid ( n+n) endosperm mother cell to make triploid endosperm
11. What is the function of fruit?
12. Microspores become
A. the embryo sac
B. the mature male gametophyte
C. pollen grains
D. all of the above
E. only B and C above
1. Which colors of light are most strongly absorbed by chlorophyll?
2. How is oxygen released during photosynthesis?
3. Why is water needed in photosynthesis?
4. What are the products of the light dependent reactions?
5. What is made in the light independent reactions?
6. What is the role of RUBP in photosynthesis?
7. What kind of plants use PEP and what advantage does it give them?
8. How are CAM plants different from others in the way they do photosynthesis?
9. What kind of organisms can do photosynthesis?
10. Where inside the cholorplast do the light dependent reactions happen?
More Review Questions about Plants:
1. Compare and contrast the movement of water and food in plants. Include in your answer what kinds of tissues and processes are involved in both.
2. Xylem is functional when dead at maturity while phloem is functional only when alive. Why?
3. In phloem, what is the role of the companion cell?
4. What is the difference between xylem in flowering plants and the xylem found in gymnosperms?
5. What is cohesion of water, and how is this different from adhesion?
6. What part of the root absorbs water?
7. What is the function of the anther in the flower?
8. Which of the following is where one would find ovules?
A. in an anther
B. in the ovary
C. in the stigma
D. in the style
9. Ovules are
A. eggs
B. spores that will become pollen
C. spores that will become eggs
D. immature seeds
E. pollen grains
10. In double fertilization the first sperm fertilizes the egg and the second
A. dies
B. is only used if the first sperm cell dies
C. fertilizes another egg
D. fertilizes a haploid endosperm mother cell to make diploid endosperm
E. fertilizes a diploid ( n+n) endosperm mother cell to make triploid endosperm
11. What is the function of fruit?
12. Microspores become
A. the embryo sac
B. the mature male gametophyte
C. pollen grains
D. all of the above
E. only B and C above
Thursday, June 11, 2009
mechanisms of evolution review
1. Which mechanism of evolution did Darwin claim as his own theory?
2. Which evolutionary mechanisms reduce genetic diversity?
3. What is the key element of natural selection?
4. Which mechanism is the source of new genes?
5. While migration can introduce genes from one population to another and increase the diversity of a given population, over time what does migration do to the gene pools of the two populations?
6. What is required for any kind of speciation to occur?
7. Two related grasses are growing side by side. However grass A blooms and sets seeds in the late spring, while grass B blooms and releases its seeds in the late summer and early fall. What kind of isolating mechanism is at work here?
8. A donkey and a horse breed and produce a mule. What kind of isolating mechanism is a work in this example?
9. What is sympatric speciation, and why is sympatric speciation more common in plants than in animals?
2. Which evolutionary mechanisms reduce genetic diversity?
3. What is the key element of natural selection?
4. Which mechanism is the source of new genes?
5. While migration can introduce genes from one population to another and increase the diversity of a given population, over time what does migration do to the gene pools of the two populations?
6. What is required for any kind of speciation to occur?
7. Two related grasses are growing side by side. However grass A blooms and sets seeds in the late spring, while grass B blooms and releases its seeds in the late summer and early fall. What kind of isolating mechanism is at work here?
8. A donkey and a horse breed and produce a mule. What kind of isolating mechanism is a work in this example?
9. What is sympatric speciation, and why is sympatric speciation more common in plants than in animals?
Tuesday, June 9, 2009
Evolution Review Questions
1. How do biologists define evolution?
2. What is a population?
3. What islands were important to Charles Darwin's thinking on evolution?
4. Biogeography is how living things are distributed around the world. How was Darwin surprised by the the biogeography he observed on his trip around the world?
5. While fossils support the theory of evolution, we can't rely on the fossil record ever being complete. Why?
6. How does the existence of fossils support the theory of evolution?
7. How did LaMarck explain inheritance?
8. What was the hypothesis of catastrophism?
9. While the theory of evolution does not indicate humans came from chimps, it does indicate a _________________________ between chimps and humans.
10. Upon what observations did Darwin base his theory of evolution by natural selection?
11. What is differential reproduction, and how is this important to natural selection?
12. Which mechanisms of evolution are random?
13. Which mechanisms of evolution may not be adaptive for a population?
14. What are vestigeal structures? Do you have any in your body? If so give an example.
2. What is a population?
3. What islands were important to Charles Darwin's thinking on evolution?
4. Biogeography is how living things are distributed around the world. How was Darwin surprised by the the biogeography he observed on his trip around the world?
5. While fossils support the theory of evolution, we can't rely on the fossil record ever being complete. Why?
6. How does the existence of fossils support the theory of evolution?
7. How did LaMarck explain inheritance?
8. What was the hypothesis of catastrophism?
9. While the theory of evolution does not indicate humans came from chimps, it does indicate a _________________________ between chimps and humans.
10. Upon what observations did Darwin base his theory of evolution by natural selection?
11. What is differential reproduction, and how is this important to natural selection?
12. Which mechanisms of evolution are random?
13. Which mechanisms of evolution may not be adaptive for a population?
14. What are vestigeal structures? Do you have any in your body? If so give an example.
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